Finding the Fourth Proportional to 740,083.97, 1,021,340.63 and 453,548.70
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Solution
The fourth proportional to 740,083.97, 1,021,340.63 and 453,548.70 is: 625,912.37
Step by Step Solution
- Step 1: Write the proportion equation
740,083.97 : 1,021,340.63 = 453,548.70 : x - Step 2: Convert to fraction form
740,083.97/1,021,340.63 = 453,548.70/x - Step 3: Cross multiply
740,083.97x = 1,021,340.63 × 453,548.70 - Step 4: Simplify right side
740,083.97x = 463,227,714,993.68 - Step 5: Solve for x
x = 463,227,714,993.68/740,083.97 - Step 6: Final answer
x = 625,912.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.